Converting paper mill sludge or the like

Details Converting paper mill sludge or the like Converting paper mill sludge or the like

1994-08-26

1996-08-27

Bennett, Henry A.

Furnaces

Process

Incinerating refuse

110238, 110244, 110259, 110266, F23G 702

Patent

active

055490590

ABSTRACT:
Paper mill sludge or similar organic sludges with a high ash content are converted by burning the sludge in a cyclone furnace along with another source of fuel. The heat content of the sludge is recovered and the ash content of the sludge is converted to a glassy slag. A flux, such as limestone, may be added to the sludge before introduction into the cyclone furnace. The slag is useful as a construction material, an abrasive, for roofing products, or for other purposes.

REFERENCES:
patent: 4932336 (1990-06-01), Srowig et al.
patent: 5018459 (1991-05-01), Judd
patent: 5052312 (1991-10-01), Rackley et al.
patent: 5057009 (1991-10-01), Nechvatal et al.
patent: 5346549 (1994-09-01), Johnson
patent: 5370065 (1994-12-01), Christensen
Czuczwa, Warchol, Musiol, Development Status of the Babcock and Wilcox Cyclone Vitrification Technology for Containated Soil. Jun. 21, 1992.
Steam Its Generation and Use, Babcock & Wilcox pp. 14-1 to 14-11, 1992.

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